" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a - b habis dibagi a - b
akan ditunjukan a - b faktor dari a^(n - 1) - b^(n - 1) :
a^n - b^n = a^n + ab^(n - 1) - ab^(n - 1) + b^n
= a(a^(n - 1) - b^(n - 1)) + (a - b)^(n - 1)